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Speed controller
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Patent number 10,247,208
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Issue date Apr 2, 2019
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Yugen Kaisha Hama International
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Tomio Hama
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Flow controller
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Patent number 7,757,711
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Issue date Jul 20, 2010
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Yugen Kaisha Hama International
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Tomio Hama
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G05 - CONTROLLING REGULATING
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Actuating device
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Patent number 7,261,031
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Issue date Aug 28, 2007
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Yugen Kaisha Hama International
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tube joint
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Patent number 7,195,286
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Issue date Mar 27, 2007
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Yugen Kaisha Hama International
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Linear motion drive system
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Patent number 7,156,558
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Issue date Jan 2, 2007
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Yugen Kaisha Hama International
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Guide chain
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Patent number 6,966,434
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Issue date Nov 22, 2005
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Yugen Kaisha Hama International
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Tomio Hama
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER